Unit Circle (version B)

A) π
B) 1
C) r
D) √3/2
E) √2/2

A) theta
B) 1
C) r
D) x
E) y

A) 180
B) π
C) 360
D) 1
E) 2π

A) r
B) theta
C) 1
D) x
E) y

5. The magnitudes of the maxima and minima of the unit circle's sine and cosine are the same.

A) false
B) Can't be determined
C) true
D) Neither

A) -infinity to +infinity
B) 0 to 360
C) 0 to 2π
D) -1 to 1

A) neither 90 nor 270 degrees
B) 270 degrees
C) 90 degrees
D) both 90 and 270 degrees
E) both 0 and 180 degrees

A) 180 degrees
B) 90 degrees
C) 270 degrees
D) 0 degrees

9. For the unit circle, if I translate the sine curve XXX radians, it will be in the same position as the cosine curve.

A) π/2
B) -π
C) π
D) -π/2
E) 2π

A) √2/2
B) 0
C) 1
D) 1/2
E) -√2/2

A) -√2/2
B) 1/2
C) 45
D) √3/2
E) √2/2

A) -390 degrees
B) -30 degrees
C) 330 degrees
D) -330 degrees

A) 1
B) 1/2
C) √3/2
D) -1
E) 0

A) 1/2 radians
B) 3π radians
C) -π radians
D) 3π/2 radians
E) 2π radians

A) 225 degrees
B) 45 degrees
C) 135 degrees
D) 315 degrees
E) 3π/2 radians

A) IV
B) II
C) III
D) I
E) never

A) π/2
B) 3π
C) π
D) 3π/2
E) 2π

18. One cycle of the sine and cosine curve from the unit circle have the same period.

A) False
B) True
C) Can't be determined
D) Neither

A) 2π radians
B) 3π/2 radians
C) 90 degrees
D) π/2 radians

20. The cosine function is positive and the sine function is negative in quadrant

A) I
B) III
C) III
D) IV

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